Is black thongs for women profitable to sell on Amazon United States?

The niche generates $62K/yr across 87 tracked products. 2 of 14 products launched in the last 360 days are still selling. 90-day search growth is +2.6%. Flapen's verdict: Worth a look (52/100).

How competitive is the black thongs for women niche?

41 brands and 53 sellers compete. The top 5 products take 22% of clicks and top 5 brands hold 44% of demand.

What do buyers complain about in black thongs for women?

Top complaints mined from reviews: Size-Overall, Quality-Overall, Stretchability/Expandability/Elasticity. The return rate is 2.8%.

When does demand for black thongs for women peak?

Demand peaks in Jan–Aug–Oct; the busiest month runs 1.9× the quietest.

What does it cost to enter the black thongs for women niche?

Listings span $7.53–$29.38; the average listing price is $14.79 (sweet spot $15–$100). The average incumbent carries 24,257 reviews — the moat a new listing must climb.

black thongs for women

Worth a look

Shows a fragmented shelf (top 5 take 22% of clicks), but a deep review moat (24,257 avg reviews) keeps it on the watch list.

Competition

Great22%

top-5 click share — an open shelf

Brand share

Great44%

top-5 brand share — no brand owns this niche

Avg price

Good$14.79

avg listing price — sweet spot $15–$100

Price range

Good$7.53–$29.38

cheapest to priciest tracked listing — scored on the share inside $15–$100

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Good2.8%

return rate — above 5% kills the launch gate

Growth

Okay+2.6%

90-day search growth — must beat 0% to launch

Conversion

Okay2.3%

search→purchase rate — share of searches ending in a sale

Market size

Bad$62K

$62K/yr · 186K searches

Review moat

Bad24,257.36

avg incumbent reviews — the moat a new listing must climb

Signals No Dominant Brand

According to Flapen's Amazon United States niche tracking, black thongs for women is a $62K/yr Amazon United States market (186K searches/yr). The top 5 brands hold 44% of demand. Demand peaks in Jan–Aug–Oct. Verdict: Worth a look — 52/100.

Data updated Jul 13, 2026 · scored weekly · How we score niches

black thongs for women market data

Units sold / yr: 3K–4K; avg 0–100/product
Revenue / yr: $44K–$59K; units × avg price
Conversion rate: 2.3%
Avg BSR: #76
Page quality: 0%
Prime: 100%
Sponsored: 84%
Out of stock: 2.9%
Avg brand age: 38 months
Avg seller age: 169 days

Competition & brand share

Clicks spread well past the top 5 (22% combined) — an open shelf where new products get seen.

Brands

41 rising

Sellers

Top-5 brand share

44%

Top 20: 87%

Top-5 click share

22%

Top 20: 60%

Open market

51%

voenxe12%
Molasus12%
HSYUEEVIA7%
SIMIYA7%
Hanes6%
INNERSY5%

Demand & seasonality

Weekly Amazon search volume, last 68 weeks — +2.6% search growth over the last 90 days.

Peak months: Jan, Aug, Oct · busiest ÷ quietest = 1.9×

Open Trend

Top black thongs for women search terms

black seamless underwear women32K/yr +2.1%1.7% conv.
black underwear women cotton15K/yr -7.3%1.4% conv.
womens black cotton underwear13K/yr +11.1%2.2% conv.
black briefs for women12K/yr -16.9%1.0% conv.
black bikini underwear women13K/yr -22.9%1.7% conv.
hanes black underwear women10K/yr -11.5%1.4% conv.
cotton underwear for women black8K/yr -6.5%1.8% conv.
womens black underwear cotton9K/yr +10.0%1.7% conv.
black bikini underwear6K/yr +37.1%1.3% conv.
black womens underwear cotton7K/yr +17.9%2.1% conv.

All search terms

Top black thongs for women products on Amazon

Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

HSYUEEVIA Cotton Underwear for Women 6 Pack Soft Full Coverage Black Panties for Women Breathable Stretchy No Ride-Up No Fade Tag-Free Comfortable Everyday Cotton Briefs

HSYUEEVIA$9.864.3★192 rev

INNERSY Womens Underwear Cotton Hipster Panties Regular & Plus Size 6-Pack(Medium Black)

INNERSY$19.634.6★48,600 rev

voenxe Women Bikini Underwear Seamless Breathable Ladies Panties No Show Comfortable Briefs Undies for Women Hipster 5-Pack

voenxe$14.144.4★15,380 rev

Voenxe Seamless Underwear for Women Black Hipster No Show Ladies Panties Full Coverage Breathable Bikini Briefs Invisible Comfortable Undies for Workout Soft Mesh Moisture Wicking Athletic 5 Pack

voenxe$14.114.4★2,933 rev

Molasus Womens Soft Cotton Underwear Briefs High Waisted Postpartum Panties Ladies Full Coverage Plus Size Underpants Black Large

Molasus$23.844.6★45,259 rev

Newest

by launch date

PNQUNZ Cotton Hipster Panties Women: 6-Pack Soft Full Coverage Mid Rise Underwear for Everyday Comfort (US Alpha X-Large Regular Regular C-6 Pack Classic Black)

PNQUNZ$11.911,040 rev

7mo ago

Unimisshe 6-pack Cotton Underwear for Women Low Rise Stretch Bikini Sexy Ladies Panties (Large 01 Black)

Unimisshe$10.1048 rev

9mo ago

Kiqnsam Seamless Underwear for Women No Show Hipster Bikini Panties Low Rise Cheeky Breathable Soft Invisible Briefs 6 Pack (US Alpha Medium Regular Regular 6 black)

Kiqnsam$11.211,251 rev

11mo ago

SHARICCA Womens Seamless Underwear No Show Hipster Panties Invisible Lightweight Nuage Bikinis Briefs Microfiber Pack5P01 M

SHARICCA$14.841,069 rev

11mo ago

ANSUKOO 6 Pack Women Bikini Underwear Seamless Breathable Ladies Panties No Show Workout Comfortable Undies for Women Soft Black

ANSUKOO$14.87128 rev

12mo ago

What buyers say about black thongs for women

What buyers praise and complain about, mined from review topics.

What buyers love

Comfort-Overall29%

“Extremely comfortable”

Size-Overall17%

“Smooth fit”

Quality-Overall8%

“Excellent quality”

Soft Feel8%

“They are smooth”

Value For Money5%

“They are affordable”

Material Quality4%

“Nice cotton material”

Breathability3%

“Comfortable and breathable”

Stretchability/Expandability/Elasticity2%

“have a good elastic”

Advertised Vs Actual Product2%

“As advertised”

Color2%

“the colors are pretty”

What buyers complain about

Size-Overall23%

“longer than expected”

Quality-Overall8%

“Poor Quality”

Stretchability/Expandability/Elasticity7%

“It is not very stretchy”

Comfort-Overall6%

“Not as comfortable as I was hoping”

Material Quality6%

“Low quality material”

Thickness4%

“Thick”

Durability4%

“Falling apart”

Stitch/Finish/Polish4%

“the seam is coming apart”

Advertised Vs Actual Product2%

“Not as advertised”

Shrinkage Resistance1%

“shrinks really bad”

Top return reasons

Size-Overall52%

Material Quality10%

Waist Fit10%

Thigh Fit4%

Advertised Vs Actual Product4%

Thin2%

Length2%

Comfort-Overall2%

Shape/Style2%

Quality-Overall1%

Common questions

Is black thongs for women profitable to sell on Amazon United States?: The niche generates $62K/yr across 87 tracked products. 2 of 14 products launched in the last 360 days are still selling. 90-day search growth is +2.6%. Flapen's verdict: Worth a look (52/100).
How competitive is the black thongs for women niche?: 41 brands and 53 sellers compete. The top 5 products take 22% of clicks and top 5 brands hold 44% of demand.
What do buyers complain about in black thongs for women?: Top complaints mined from reviews: Size-Overall, Quality-Overall, Stretchability/Expandability/Elasticity. The return rate is 2.8%.
When does demand for black thongs for women peak?: Demand peaks in Jan–Aug–Oct; the busiest month runs 1.9× the quietest.
What does it cost to enter the black thongs for women niche?: Listings span $7.53–$29.38; the average listing price is $14.79 (sweet spot $15–$100). The average incumbent carries 24,257 reviews — the moat a new listing must climb.